Table 1.

Talairach coordinates, total volume, and percentage overlap with IPS5 and hPGR for the left anterior parietal tool-specific region

	Talairach Coordinates
Subject	x	y	z	Volume, mm3	%Overlap with IPS5	%Overlap with hPGR
S1	−33	−46	42	11,394	19	9
S2	−35	−41	44	9,396	28
S3	−43	−37	35	7,884	7	30
S4	−45	−43	49	3,699	7	5
S5	−41	−33	35	4,023	1	19
S6	−42	−33	35	6,885	38	11
S7	−32	−33	36	12,177	6	22
S8	−39	−28	37	10,692	13
S9	−48	−45	46	10,638	17	11
S10
S11	−44	−38	52	12,447	32	15
S12	−48	−43	48	4,833	18	32
Mean ± SE	−41 ± 1.7	−38 ± 1.8	41 ± 2.0	8,552 ± 987	17 ± 4	17 ± 3

The tool-specific region was defined from the tool-animal localizer by the contrast of viewing tools and animals (P < 0.01). No value indicates subject did not participate in the grasping localizer (S2 and S8) or the tool-animal localizer (S10). IPS5, intraparietal sulcus area 5; hPGR, human parietal grasp region.